I know that a wife can not demand relations (maybe only is using speech) and if she does it is bad for the children, from that relationship, so the husband should not do it. See "brazen woman" here and audio 13:08 here, here you can choose other people reading it.
Why what Lea said is not this? (or if it is why is it permitted for her to say and for Abraham to do?).
Did Yesohor get effected by her actions?